CN101574549A - Device for regulating flow rate - Google Patents
Device for regulating flow rate Download PDFInfo
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- CN101574549A CN101574549A CNA2009101464430A CN200910146443A CN101574549A CN 101574549 A CN101574549 A CN 101574549A CN A2009101464430 A CNA2009101464430 A CN A2009101464430A CN 200910146443 A CN200910146443 A CN 200910146443A CN 101574549 A CN101574549 A CN 101574549A
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- medicinal liquid
- space
- interface channel
- parts
- passage
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
- A61M5/16881—Regulating valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/1411—Drip chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
- A61M2205/3382—Upper level detectors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/141—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor with capillaries for restricting fluid flow
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
- A61M5/16813—Flow controllers by controlling the degree of opening of the flow line
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/36—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
- A61M5/40—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body using low-level float-valve to cut off media flow from reservoir
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
- F24F13/068—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser formed as perforated walls, ceilings or floors
Abstract
The present invention relates to a device for injecting a liquid medicine such as a Ringer's solution, and more particularly, to a device for regulating the amount of liquid medicine to be injected. According to the present invention, there is provided with a device for regulating the flow rate of a liquid medicine on a flow path of the liquid medicine, comprising an inflow passage for allowing the liquid medicine to be introduced therethrough; a discharge passage for allowing the liquid medicine to be discharged therethrough; a space for storing the liquid medicine introduced through the inflow passage therein; a capillary unit placed between the space and the discharge passage and having at least two capillaries and a plurality of outlets formed on the side of the discharge passage to correspond to the respective capillaries; and a discharge amount regulating valve that is placed between the capillary unit and the discharge passage and is movable to change the number of capillaries communicating with the discharge passage.
Description
Technical field
The present invention relates to a kind of equipment that is used to inject as the medicinal liquid of Ringer solution etc., more particularly, relate to a kind of equipment that is used to regulate the amount of liquid medicine that to inject.
Background technology
Usually, in order to replenish necessary nutrition,, the injecting liquid drug that is stored in Ringer bottle or the similar containers can be advanced patient's blood vessel as glucose to dyspeptic patient.When must injecting the dose of expectation according to patient's condition continuously and smoothly ground to liquid medicine injections such as patients when (, comprising anticarcinogen and antibiotic) as the injection drug of special use.If to the required medicament right and wrong of patient injection at the uniform velocity with discrete, the then danger that can cause patient to suffer a shock.
The equipment of injection Ringer solution comprises the bottle (sack) that stores medicinal liquid; Be connected to the flexible pipe of bottle lower end; Detect the parts of medicinal liquid flow velocity, these parts are installed on the flexible pipe, the feasible flow velocity that just can observe medicinal liquid by naked eyes; Be installed in the flexible pipe front end in order to thrust the syringe needle of patient's blood vessel; Be installed in the actuator between flow rate detection parts and the syringe needle, this actuator is regulated the flow velocity that medicinal liquid flows to syringe needle by the cross-sectional area of adjusting flexible pipe.When using the injecting liquid drug equipment of as above structure, the nurse is thrust patient's blood vessel with syringe needle, by adjusting actuator, regulates the amount of liquid medicine that flows to flexible pipe, thereby provides necessary nutrition for patient.
In the actuator of routine, normally regulate by rotation up or down, change the cross-sectional area of flexible pipe, thereby regulate the amount of liquid medicine that flows to syringe needle.Yet the problem of conventional regulator is that it is difficult to accurately regulate the flow velocity of medicinal liquid.
Summary of the invention
Technical problem
The object of the present invention is to provide a kind of can be to the equipment of accurately regulating as the flow velocity of the medicinal liquid of Ringer solution etc.
Technical solution
According to an aspect of the present invention, provide a kind of being used for to regulate the equipment of medicinal liquid flow velocity in the medicinal liquid distance of flowing through, can comprise: flow channel allows medicinal liquid by its introducing; Passing away allows medicinal liquid by its discharge; Store the space of the described medicinal liquid of introducing by described flow channel; Liquid medicine passage unit between described space and described passing away, and has at least two guiding liquid medicine flow, passages of flowing through of described medicinal liquids and forms with a plurality of outlets corresponding respectively with described liquid medicine flow, passages in the side of described passing away; And, output control valve, between described liquid medicine passage unit and described passing away, and removable to change the number of the liquid medicine flow, passages that is connected with described passing away in the described liquid medicine passage unit.
Preferably, liquid medicine flow, passages is a capillary tube, and described liquid medicine passage unit comprises and has capillary unit capillaceous.But the present invention does not limit to therewith, but can comprise any parts with the passage that can flow through liquid (as medicinal liquid etc.).For example, flexible pipe, silicone hole and/or plastic eyelet can be used as the flow channel of medicinal liquid.The manufacture method of silicone hole or plastic eyelet can be to use laser or other perforating devices to silicones or plastics punching.Preferably, the liquid medicine flow, passages of the foregoing description for example allows that the liquid of medicinal liquid flows through from it at a predetermined velocity.
Described output,, control valve rotated around rotation axis.By described output the rotatablely moving of control valve, can change the number of the medicinal liquid circulation passage that communicates with described flow pass, number for example capillaceous.
Described output,, control valve can further comprise rotary part, and these parts can rotate around rotation axis.
At least a portion of described rotary part is to have to be the rotary body shape around the rotation of described rotation axis, this rotary body rotates around described rotation axis, and the outer surface of described at least a portion of described rotary part can be formed with guiding groove and a plurality of grooves, rotation by described rotary part makes described guiding groove be connected with described passing away, described a plurality of grooves come out from described guiding groove bifurcated, and be suitable for being communicated with the described outlet of described liquid medicine passage unit (for example, capillary unit).
The liquid medicine passage unit for example outlet of capillary unit is equidistantly arranged in a circumferential direction, and the described branch groove of described rotary part is equidistantly arranged in a circumferential direction.
Flow rate regulation equipment can further comprise further comprise the inlet and the influx control valve, described medicinal liquid flows to described space by described inlet, described influx control valve is regulated the amount of liquid medicine of introducing by described inlet according to the amount of liquid medicine that is stored in the described space.
Described influx control valve can further comprise at least one float that can move both vertically according to the horizontal plane that is stored in the described medicinal liquid in the described space, with the adjusting parts that are connected with described float to move both vertically, when described adjusting parts and described inlet in abutting connection with the time, the amount of liquid medicine that the described inlet of described adjusting parts restricted passage is introduced.
Described flow rate regulation equipment further comprises interface channel, described interface channel has top and bottom, described upper end is provided with described inlet, described lower end is provided with the outlet that communicates with described space, described interface channel is greater than described inlet and described outlet, and described adjusting parts are contained in the described interface channel.If described space is divided at least two sub spaces, then is provided with two at least and regulates parts and interface channel.
The bottom surface of described adjusting parts or the lower end of described interface channel are provided with lower convexity, be used for limiting the gap between the described lower end of the described bottom surface of described adjusting parts and described interface channel, thereby the described outlet that prevents described interface channel are closed.
Randomly, the end face of described adjusting parts or the upper end of described interface channel are provided with projection, be used between the described upper end of the described end face of described adjusting parts and described interface channel, limiting the gap, thereby stop the described inlet of described interface channel to be closed.
Describedly go up projection and lower convexity is formed, when the described upper end of the described interface channel of described adjusting members abut, can introduce a spot of medicinal liquid.
The lower ends downward that described interface channel is provided with described outlet narrows down.
The end face of described adjusting parts is configured to upwards narrow down.
Flow rate regulation equipment can further comprise the additional space with the top that is connected with described flow channel and the lower part that is connected with described interface channel.
Described additional space is constructed to detect described medicinal liquid from the drawing of Ringer bottle, and described Ringer bottle is stored described medicinal liquid.
According to a further aspect in the invention, provide a kind of equipment that is used to regulate the medicinal liquid flow velocity, can comprise: liquid medicine passage unit, it has a plurality of liquid medicine flow, passages in the circulation distance of described medicinal liquid; And, output control valve, selectively be communicated with a plurality of outlets in the described liquid medicine passage unit, allow the quantity of described medicinal liquid to change from the effusive liquid medicine flow, passages of described liquid medicine passage unit.
Preferably, described medicinal liquid is a capillary tube, and the liquid medicine flow, passages unit comprises having capillary unit capillaceous.The present invention is not limited thereto, but comprise any any parts that bootable flow of liquid as medicinal liquid etc. is crossed passage that have.For example, flexible pipe, silicone hole and/or plastic eyelet can be used as liquid medicine flow, passages.The manufacture method of silicone hole or plastic eyelet can be used laser or other perforating devices, and silicones or plastics are punched.Preferably, the liquid medicine flow, passages of the foregoing description allows the fluid of medicinal liquid for example to flow through from it with predetermined speed.
Described output,, control valve can rotate around rotating shaft, by described output the rotatablely moving of control valve, changed and allowed the number of described medicinal liquid from its effusive liquid medicine flow, passages, quantity for example capillaceous.
Described output control valve further comprise can be around the rotary part of described rotating shaft rotation.
At least a portion of described rotary part has the rotary body shape around described rotating shaft rotation, and the outer surface of described at least a portion of described rotary part is formed with guiding groove and a plurality of grooves, rotation by described rotary part, described medicinal liquid flows out by described guiding groove, described a plurality of grooves come out from described guide channel bifurcated, and be suitable for being communicated with the described outlet of described liquid medicine passage unit (for example, capillary unit).
Liquid medicine passage unit (for example, capillary unit equidistantly arrange in a circumferential direction, and the described branch groove of described rotary part is equidistantly arranged in a circumferential direction by) outlet.
Beneficial effect
According to structure of the present invention, can realize above-mentioned purpose of the present invention fully.Particularly, in a plurality of that be arranged in parallel, liquid medicine flow, passages (for example, capillary tube) that can flow through medicinal liquid, can control the quantity (for example, quantity capillaceous) that liquid medicine flow, passages communicates with passing away, discharge amount of liquid medicine thereby accurately regulate.In addition, because the medicinal liquid of stable quantity is stored in memory space,, thereby make medicinal liquid at the uniform velocity be offered patient so it is consistent constant to keep-up pressure.
In addition, in added space, can detect medicinal liquid drawing from the Ringer bottle that stores medicinal liquid.Like this, just can detect remaining amount of liquid medicine at an easy rate, medical team also just can determine when at an easy rate changes the Ringer bottle.
Description of drawings
After preferred implementation of the present invention being described with reference to corresponding accompanying drawing, of the present invention above-mentioned or other purpose and feature for those skilled in the art be easily with understanding, wherein in the accompanying drawings,
Fig. 1 is the axonometric chart according to the adjusting medicinal liquid flow device of embodiment of the present invention;
Fig. 2 be among Fig. 1 flow rate regulation equipment, A-A ' along the line obtains in order to the sectional view of inside that flow rate regulation equipment is shown;
Fig. 3 be among Fig. 1 flow rate regulation equipment, B-B ' along the line obtains in order to the sectional view of inside that flow rate regulation equipment is shown;
Fig. 4 is the axonometric chart of the capillary member shown in Fig. 2 and 3;
Fig. 5 is the exploded perspective view of the rotary part shown in Fig. 1,2 and 3;
Fig. 6 exemplarily shows the flow rate regulation equipment state in use among Fig. 1;
Fig. 7 (a) to (d) shows when the neighboring of rotary part in the deployment diagram 5, the connection status of the interface channel of rotary part and capillary member;
Fig. 8 is that this figure and Fig. 1 obtain from same direction according to the sectional view of the adjusting medicinal liquid flow device of another embodiment of the present invention, and shows the inside of flow rate regulation equipment; And
Fig. 9 is the sectional view of the adjusting medicinal liquid flow device of another embodiment of the present invention, and this figure obtains from same direction with Fig. 1, and shows the inside of flow rate regulation equipment.
The specific embodiment
Referring to figs. 1 to 3, comprise body 20, valve 30, inflow side joint elements 40, the liquid medicine passage unit (for example, capillary unit 60) and the control unit 70 of discharging side engagement parts 50, having a plurality of liquid medicine flow, passages according to the equipment 10 of the adjusting medicinal liquid flow velocity of one embodiment of the present invention.
The body 20 of flow rate regulation equipment 10 is vertically extending cylindrical parts, and its lower end is reduced into rectangle and extends slightly.The top and bottom of body 20 are open, and inflow side joint elements 40 and discharge side engagement parts 50 are mounted and join to the lower end and the upper end of body 20 respectively.In body 20, has partition wall 22.Partition wall 22 is divided into first space 24 of lower end and second space 26 of upper end with the inside of body 20.First space 24 is used to store medicinal liquid, and second space 26 is used to detect draw (shown in Figure 6) of medicinal liquid from Ringer bottle 100.First space 24 and second space 26 communicate with the lower end of body 20 and the open portion of upper end.Partition wall 22 is formed by spill ground, so that its heavy wall is to its center reduction.Be provided with vertically extending passage 28 at the center of partition wall 22, be used for first space 24 and second space 26 interconnection.The upper end of passage 28 has inlet 281, and medicinal liquid enters the mouth from second space, 26 admission passages 28 by this; The lower end of passage 28 has outlet 282, and medicinal liquid flows into first space 24 by this outlet from passage 28.Be formed to be narrower than passage 28 because export 282,, can stop the adjusting parts 32 of valve 30 by step 283 so passage 28 has formed step 283 in the end of outlet 282 sides.The details of relevant valve 30 can be described afterwards.Step 283 slightly has a down dip to the body center.This can make medicinal liquid flow into first space 24 glibly.Inlet 281 is also formed to be narrower than passage 28.Passage 28 has the surface 284 that circular cone ground tilts in the end of inlet 281 sides, and this surface is towards 281 narrow down gradually (that is, the broadening towards dirty direction) that enter the mouth.Determine that this shape is to match for the shape with the adjusting parts 32 of the valve 30 that will be described below.When regulating parts 32, have only that a spot of 26 li medicinal liquid can 281 flow to passage 28 by entering the mouth in second space with inclined-plane 284 close contact.
Referring to figs. 2 and 3, valve 30 comprises regulates parts 32 and float 34, regulates parts 32 and is contained in the passage 28 of divider wall 22, and float 34 then is arranged in first space 24, and links to each other with adjusting parts 32.The shape of regulating parts 32 is truncated cone shape basically, and its overall diameter is less than the overall diameter of passage 28, still greater than inlet 281 that is connected with passage 28 and the overall diameter that exports 282.The end face of regulating parts 32 is inclined upwardly and narrows down.This can make the medicinal liquid of introducing flow to the periphery of passage 28 glibly.Alternatively, this sloping portion is provided with a plurality of little projectioies 323 that go up along circumference.Though be provided with in the present invention shown in Fig. 2 and Fig. 3 and raise up 323, the present invention does not limit to therewith.Shape basically identical when these inclined planes does not have when raising up, and contacts with the face that is inclined upwardly 284 of passage 28 upper ends if regulate the face that is inclined upwardly of parts 32, then flows and will be restricted from second space 26 to the medicinal liquid in first space 24.
Have under 323 the situation of raising up regulating parts 32,323 contact with the inclined plane 284 of passage 28 upper ends if raise up, then between the inclined plane 284 of regulating parts 32 and passage 28 upper ends, form passage aisle, so just the medicinal liquid directed flow of low discharge can have been crossed inlet 281.Raise up and 323 be formed less than the lower convexity 322 that will be described below.When this allow to regulate on parts 32 and the passage 28 end in contact, guide a spot of medicinal liquid.Be provided with the bond post 321 of projection at the bottom center place that regulates parts 32.Bond post 321 is installed and is joined to from float 34 extended extensions 341.The bottom periphery of regulating parts 32 is provided with a plurality of lower convexity 322.Lower convexity 322 is arranged at the step 283 of passage 28 lower ends, thereby prevents that the bottom surface of regulating parts 32 from will export 282 sealings.Though the present invention is to be the example narration to regulate embodiment that parts 32 have projection of going up 323 and lower convexity 322, the present invention does not limit to therewith.By such projection being set respectively, can obtain same effect on the inclined plane 284 of passage 28 upper ends and the step 283 of lower end.Float 34 is a hollow ball, and swims in the stored medicinal liquid in first space 24.The top of float 34 is provided with upwardly extending elongated extension 341.Extension 341 enters the outlet 282 that communicates with the passage 28 that is formed at divider wall 22.The bond post 321 of regulating parts 32 is installed to the open upper end of extension 341, thereby makes float 34 with regulating that parts 32 engage one another and vertically moving.The overall diameter of extension 341 is less than the overall diameter of outlet 282, so medicinal liquid can flow through outlet 282.
With reference to figure 1 and Fig. 3, sidewalls 44 that inflow side joint elements 40 comprise upper wall 42, extend downwards from upper wall 42 and elongated extension projection 46, extend projection 46 from the cores of sidewall 42 to upper process and extend.Upper wall 42 upwards tilts gradually with narrowing down.Sidewall 44 is installed to the open upper end of body 20, and closely contacts with the sidewall of body 20.Extend male member 46 and be provided with vertically extending medicinal liquid flow channel 461 and air flow channel 462.Medicinal liquid flow channel 461 communicates with second space 26 of body 20, and air flow channel 462 communicates with the outside by upper wall 42.The upper end of medicinal liquid flow channel 461 is lower than the upper end of air flow channel 462.This just allows to be connected under the situation of Ringer bottle at as shown in Figure 6 flow rate regulation equipment 10, air can be introduced Ringer bottle 100, thereby make the medicinal liquid in the Ringer bottle 100 can pass through medicinal liquid flow channel 461, flow into second space 26 of flow rate regulation equipment 10 glibly.
Referring to figs. 1 to Fig. 3, discharge side engagement parts 50 and have the space that holds capillary member 60 and control unit 70.For this reason, discharging side engagement parts 50 comprises and facing one another and the vertically extending first flat sidewall 52 and second sidewall 54 and be used for the first flat sidewall 52 and the second flat sidewall 54 interconnected connecting walls 56.It is semicircle that the lower limb of the first flat sidewall 52 and the second flat sidewall 54 becomes.Therefore, connecting wall 56 is connected the lower end of the first flat sidewall 52 and the second flat sidewall 54 circularly.Discharge side engagement parts 50 and have open upper end, and the upper end of this opening is installed to the lower end of the opening of body 20, thereby make that discharging side engagement parts 50 communicates with first space 24.The first side wall 52 is formed with circular perforations 521.Perforation 521 center is consistent with the center of the cylindrical rotary part 72 that will be described below normally, and this cylindrical rotary part 72 is contained in discharges in the side engagement parts 50.The tooth post 761 that links to each other with the knob 76 of the control unit 70 that will be described below is by 521 perforations 742 that are inserted into insertion parts 74 of boring a hole.The lower end of discharging the connecting wall 56 of side engagement parts 50 is provided with the extension protrusion 58 that downward extension is protruded.Provide passing away 581 in the inside of extending protrusion 58, this passage communicates with the inside of discharging side engagement parts 50, and medicinal liquid also is to discharge by this passage.As shown in Figure 6, extend to protrude 58 be installed to link to each other with syringe needle 110 be connected flexible pipe 90.
Referring to figs. 1 to Fig. 3, the inner surface of connecting wall 56 has the drain tank 562 that communicates with passing away 581 again.Drain tank 562 extends about 90 degree circumferentially from passing away 581 along the surface of connecting wall 56.
Referring to figs. 2 to Fig. 4, liquid medicine passage unit such as capillary member 60, is configured to be installed to securely the top of discharging side engagement parts 50, and the semicircle lower surface with spill, this lower surface closely contacts with rotary part 72 neighborings of the control unit 70 that will be described below.Though the present invention is with reference to so that apparatus has capillary member capillaceous is that example is illustrated as the embodiment of medicinal liquid circulation road, the present invention is not limited thereto.Liquid medicine passage unit of the present invention can comprise having any parts that can flow through as the fluidic passage of medicinal liquid etc.For example, flexible pipe, silicone hole and/or plastic eyelet can be as the circulation passages of medicinal liquid.Can come the method for silicones or plastic material punching is made silicone hole or plastic eyelet by using laser or other perforating devices.Preferably, the liquid medicine flow, passages mentioned of the foregoing description allows the velocity flow mistake of fluid to be scheduled to of guiding as medicinal liquid etc.
The capillary member 60 that exemplarily illustrates in Fig. 2 to Fig. 4 is provided with a plurality of vertically extending capillary tubies.Described a plurality of capillary tube is installed to by the capillary element 62 that will have capillary tube 621 that capillary member 60 provides.Capillary member 60 has a plurality of patchholes 61, and capillary element 62 is installed in the patchhole 61 securely.The bottom of a plurality of patchholes 61 is formed with the interface channel 64 of the lower surface that extends to capillary member 60.Corresponding interface channel 64 communicates with branch groove 722, and branch groove 722 forms in the neighboring of the rotary part 72 of the control unit 70 that will be described below.
A plurality of capillary tubies 621 are arranged in two rows, and first row has five capillary tubies, and second row has four capillary tubies.Capillary tube 612 of each row is equidistant respectively to be placed, and the position that is placed of each capillary tube among second row is corresponding with intercapillary centre position adjacent during first arranges.Yet number capillaceous and arrangement mode do not limit to therewith.Further, be that except capillary element 62, the fluid of medicinal liquid etc. flows through at a predetermined velocity can also to use flexible pipe, silicone hole and/or plastic eyelet for example to guide for those skilled in the art will readily appreciate that.
With reference to figure 1,2,3 and 5, control unit 70 comprises cylindrical rotary part 72, the insertion parts 74 that engages with rotary part 72 centers and the control turn-button 76 that is connected with insertion parts 74.The part of the neighboring of rotary part 72 is provided with circumferential guiding groove 721, and from extended a plurality of the grooves 722 of the both sides branch of guiding groove 721.Guiding groove 721 communicates with the drain tank 562 of discharging side engagement parts 50.Branch groove 722 is equidistantly arranged.For example, branch groove 722 is communicated with the interface channel 64 of capillary member 60.The number of branch groove is confirmed as making that a groove alternately communicates with interface channel.The center of rotary part 72 is provided with conjugate foramen 723, and insertion parts 74 is installed to conjugate foramen 723 securely.The shape of conjugate foramen 723 is confirmed as with insertion parts 74 consistent with size.Though do not illustrate, the centrage of rotary part 72 becomes the rotation axis of rotary part 72.Though the present invention is with rotary part 72 cylindrical embodiment narrations, the present invention is not limited thereto.What it will be appreciated by those skilled in the art that is that the shape of capillary member 60 lower surfaces can suitably be determined according to the shape of rotary part.The groove structure that forms in the periphery of rotary part 72 is not limited in structure shown in Figure 5.For example, this structure can comprise two branch grooves (in this case, it can become tuning fork (tuning fork) or Y shape usually) of definite length extended circumferentially.Above-mentioned two branch grooves are connected with first, second row's capillary tube of capillary member 60 respectively.
Now, describe the operation of this embodiment of the present invention in detail referring to figs. 1 to Fig. 7.With reference to figure 6, the extension projection 46 of the inflow side joint elements 40 of flow rate regulation equipment 10 is inserted into the lower end of Ringer bottle 100; In addition, with syringe needle 110 engage be connected flexible pipe 90 be installed in the extension of discharging side engagement parts 50 protrude 58 around.The medicinal liquid that Ringer bottle 100 holds protrudes 46 medicinal liquid flow channel 461 by the extension that is arranged at inflow side joint elements 40, and guiding enters second space 26 of body 20.At this moment, the air of outside protrudes 46 air flow channel 462 by extending, and guiding enters Ringer bottle 100, therefore second space 26 that can glibly medicinal liquid be introduced body 20.Under the state that the adjusting parts 32 of valve 30 are lowered (as shown in Figure 2), introduce the medicinal liquid in second space 26 of body 20, then by the inlet 281 of passage 28, entered the passage 28 of partition wall 22.The medicinal liquid of flow channel 28 is downward through in the edge limited slit (this slit is in the wall surface of passage 28 and regulates between the parts 32) that goes out of passage 28, and then, medicinal liquid will flow into first space 24 by outlet 282.The medicinal liquid that enters first space 24 is stored in first space 24, and the level that is stored in the medicinal liquid in first space 24 raise along with the time.Along with the horizontal plane rising of medicinal liquid, the float 34 of valve 30 is raised.When the medicinal liquid that is full of when first space 24 acquires a certain degree (shown in Figure 3), the adjusting parts 32 of valve 30 will with the upper end adjacency of passage 28, the amount of liquid medicine of introducing is preferably reduced, and the pressure that is stored in the medicinal liquid in first space 24 remains unchanged, thus the constant amount of liquid medicine that maintenance provides to patient.
The medicinal liquid that first space 24 stores is gradually to dirty, for example, and by the capillary tube 621 on the capillary element 62 of capillary member 60.At this moment, if the rotation status of rotary part 72 is the states shown in Fig. 7 (a), promptly all interface channels 64 of capillary member 60 all with the state that do not communicate of branch groove 722 of rotary part 72, then any medicinal liquid all can not be discharged from connecting flexible pipe 90.In this state, make in the interface channel 64 of capillary member 60 one be connected with the branch groove of rotary part 72 if rotate control turn-button 76, shown in Fig. 7 (b), then medicinal liquid then is discharged to connection flexible pipe 90 by this interface channel.If further, make that two interface channels 64 in the capillary member 60 communicate with the link slot 722 of rotary part 72 (shown in Fig. 7 (c)), then improved the flow velocity that medicinal liquid is discharged to connection flexible pipe 90 slightly from this state fine rotation control turn-button 76.By on same direction, rotating rotary part 72 step by step, can do accurate adjusting to the flow velocity of discharging medicinal liquid.If further rotate control turn-button 76, make all interface channels 64 of capillary member 60 all communicate with the link slot 722 of rotary part 72 (shown in Fig. 7 (c)), then medicinal liquid is discharged to the flow velocity that connects flexible pipe 90 and is transferred to maximum.If opposite spin parts 72 just can accurately progressively be regulated the flow velocity of medicinal liquid downwards.
Fig. 8 and Fig. 9 show the sectional view of other embodiments of the present invention.Embodiment shown in Fig. 8 and Fig. 9 is except placing in the body 20 and comprise first space, second space, regulate outside the structure of influx control valve of parts such as parts, interface channel and float, identical with Fig. 2 and embodiment shown in Figure 3.Therefore, description will be ignored, and the like shown in identical or similar drawing reference numeral description and Fig. 2 and Fig. 3 will be used same parts.
In embodiment shown in Figure 8, in body 20, be provided with two partition walls 22.Partition wall 22 is divided into first space 24 of extreme lower position, second space 26 of extreme higher position and the 3rd space 27 in centre position with the inside of body 20.First space 24 is the final spaces that store of medicinal liquid, and second space 26 is used to detect medicinal liquid and draws (Fig. 6 illustrates) from Ringer bottle 100.The 3rd space 27 is between second space 26 and first space 24, with temporary transient storage medicinal liquid.
In the embodiment that this is more corrected one's mistakes, the influx control valve of installing in the body 20 comprises that first flows into the adjustable valve 30a and the second influx control valve 30b.The medicinal liquid that the first inflow adjustable valve 30a regulates between first space 24 and the first interface channel 28a flows, and the medicinal liquid that the second influx control valve 30b regulates between the 3rd space 27 and the second interface channel 28b flows.Valve 30a and valve 30b comprise that first regulates the parts 32a and the second adjusting parts 32b, and the first interface channel 28a of two partition walls 22 and second interface channel 28 hold first respectively and regulate the parts 32a and the second adjusting parts 32b.In addition, valve 30a and valve 30b comprise the first float 34a and the second float 34b respectively, the first float 34a and the second float 34b are placed on respectively in first space 24 and the 3rd space 27, and they also regulate parts 32a with first and the second adjusting parts 32b is connected respectively.Though first sloped top face of regulating the parts 32a and the second adjusting parts 32b shown in Figure 8 is not provided with projection, can take the same manner of embodiment shown in Figure 2, arranges a plurality of upwards small embossments circumferentially in the sloped top face of regulating parts.When first end face of regulating the parts 32a and the second adjusting parts 32b contacts respectively with the second inclined plane 284b that is positioned at second interface channel 28b upper end with the first inclined plane 284a that is positioned at first interface channel 28a upper end, and during the mutual basically identical of their shape, flowing and flow from the medicinal liquid in 27 to first spaces 24, the 3rd space from the medicinal liquid in 26 to the 3rd spaces 27, second space will be restricted subsequently.So the embodiment of this modification more can accurately be regulated the influx of medicinal liquid than previous embodiment.
The first adjusting parts 32a and second regulates parts 32b and has the extended bond post from its bottom center.Bond post is installed in respectively the first extension 341a and the second extension 341b that extends out from the first float 34a and the second float 34b respectively, and engages with them.Lower convexity 322a spaced apart from each other and 322b are separately positioned on first and regulate the parts 32a and second bottom edge of regulating parts 32b.Lower convexity 322a and 322b are placed on respectively on the step of the first interface channel 28a and the second interface channel 28b, thereby outlet is closed in the bottom surface that prevents the first adjusting parts 32a and the second adjusting parts 32b.In the embodiment that this is more corrected one's mistakes, the size of lower convexity 322a and 322b can be changed, flow thereby make the second and first inflow adjustable valve 30b and 30a can accurately regulate, and flow from the medicinal liquid in 27 to first spaces 24, the 3rd space from the medicinal liquid in 26 to the 3rd spaces 27, second space.
In the further embodiment of revising shown in Figure 9, be provided with two partition wall 22a and 22b in the body 20.Partition wall 22a and 22b are divided into body 20 inside in first space 24, second space 26 of uppermost position in fig-ure and the 3rd space 27 in centre position of upper/lower positions.Medicinal liquid finally is stored in 24, the second spaces 26, first space and is used for detecting medicinal liquid and draws from Ringer bottle 100 (shown in Figure 6).The 3rd space 27 is between second space 26 and first space 24, with temporary transient storage medicinal liquid.
The center of upper partition wall 22a be provided with vertical extension with second space 26 and the 3rd space 27 interconnection together first extend passage 28a.The center of lower partition wall 22b be provided with vertical extension with the 3rd space 27 and first space 24 interconnection together second extend passage 28b.As shown in Figure 9, first passage 28a and second channel 28b are symmetric mutually with respect to second space 27.
First upper end of extending passage 28a is provided with the first inlet 281a, medicinal liquid flows into first by this inlet from second space 26 and extends passage 28a, and first lower end of extending passage 28a is provided with the first outlet 282a, and medicinal liquid extends passage 28a by this outlet from first and flows into the 3rd space 27.Because the first outlet 282a is formed narrower than the first extension passage 28a, the end that the first extension passage 28a is positioned at the first outlet 282a side is provided with first step 283a, is used to stop the first adjusting parts 32a of the valve 30 that will be described below.The first inlet 281a also is formed narrower than the first extension passage 28a.First extends passage 28a is positioned at the face 284a that first end that enters the mouth the 281a side is provided with the inclination of the first circular cone ground, and the face 284a of this inclination narrows down gradually towards the first inlet 281a.
Second upper end of extending passage 28b is provided with the second inlet 281b, flow into second by this inlet medicinal liquid from the 3rd space 27 and extend passage 28b, and second lower end of extending passage 28b is provided with the second outlet 282b, extends passage 28b by this outlet medicinal liquid from second and flows into first space 24.The second outlet 282b is formed narrower than the second extension passage 28b.Second extends passage 28b is positioned at the face 284b that second end that exports the 282b side is provided with the inclination of the second circular cone ground, and face 284b narrows down gradually towards the second outlet 282b.Because the second inlet 281b is formed to be narrower than second and extends passage 28b, so being positioned at an end of second inlet, 281 sides, the second extension passage 28b has second step 283b, regulate parts 32b in order to stop second of valve 30.
Though projection on shown in Figure 9 first sloped top face of regulating parts 32a does not have can be taked the mode identical with embodiment shown in Figure 2, first regulate be provided with circumferentially on the sloped top face of parts 32a a plurality of little on projection.The shape basically identical of the first inclined plane 284a on first sloped top face and first of regulating parts 32a is extended passage 28a and when contacting, and at the same time, the shape basically identical of second bottom surface of regulating parts 32b and the second step 283b of second channel 28b upper end and when contacting, the mobile of medicinal liquid that flows into the medicinal liquid in the 3rd space 24 from second space 26 and flow into first space 24 from the 3rd space 27 all can be restricted.At this moment, can not be full of a certain amount of medicinal liquid in the 3rd space 27 fully, will be temporarily stored in the 3rd space 27.Therefore, when providing medicinal liquid again, the medicinal liquid that temporarily is stored in the 3rd space 27 just can be quickly supplied to first space 24.
The first adjusting parts 32a and second regulates parts 32b and has the extended bond post from they bottom center.This bond post is mounted and joins to from the extended in the opposite direction first extension 341a of float 34 and the second extension 342b.On the bottom edge of the first adjusting parts 32a, separated a plurality of lower convexity mutually are set.First lower convexity of regulating parts 32a is set at first and extends on the first step 283a of passage 28a lower end, and second the last projection of regulating parts 32b is set at second and extends on the second inclined plane 284b of passage 28b, thereby has stoped first end face of regulating the bottom surface of parts 32a and the second adjusting parts 32b to close separately outlet respectively.In this embodiment of revising, can be by changing the size of lower convexity and last projection, accurately regulate flowing of the medicinal liquid that flows into the 3rd spaces 27 from second space 26 and flow into first space 24 from the 3rd space 27.
Though be of the present invention by the embodiment narration, the present invention is not limited thereto.It should be appreciated by those skilled in the art that and do not deviating under the spirit and scope of the present invention, can change and change, and these changes and changing all be contained in the scope of the present invention these embodiments.
Claims (10)
1. one kind is used for regulate flowing into the equipment of the medicinal liquid flow velocity of container in the medicinal liquid distance of flowing through, and comprising:
Be used to store the space of the described medicinal liquid of introducing by the flow channel of described container;
Inlet is used to allow described medicinal liquid to introduce and enters described space by described flow channel;
The influx control valve is used for regulating the described amount of liquid medicine of introducing by described inlet according to the amount of liquid medicine that is stored in described space; And
Wherein, described influx control valve comprises at least one float that can move both vertically according to the horizontal plane that is stored in the described medicinal liquid in the described space, with the adjusting parts that are connected with described float to move both vertically, when described adjusting parts and described inlet in abutting connection with the time, the amount of liquid medicine that the described inlet of described adjusting parts restricted passage is introduced.
2. equipment according to claim 1, further comprise interface channel, described interface channel has top and bottom, described upper end is provided with described inlet, described lower end is provided with the outlet that communicates with described space, described interface channel is greater than described inlet and described outlet, and described adjusting parts are contained in the described interface channel.
3. equipment according to claim 2 wherein, if described space is separated at least two sub spaces, then is provided with at least two and regulates parts and interface channel.
4. equipment according to claim 2, wherein, the bottom surface of described adjusting parts or the lower end of described interface channel are provided with lower convexity, be used between the described lower end of the described bottom surface of described adjusting parts and described interface channel, limiting the gap, thereby the described outlet that prevents described interface channel is closed.
5. equipment according to claim 4, wherein, the end face of described adjusting parts or the upper end of described interface channel are provided with projection, be used between the described upper end of the described end face of described adjusting parts and described interface channel, limiting the gap, thereby stop the described inlet of described interface channel to be closed.
6. equipment according to claim 5 wherein, is describedly gone up projection and lower convexity is formed, and when the described upper end of the described interface channel of described adjusting members abut, can introduce a spot of medicinal liquid.
7. equipment according to claim 2, wherein, the lower ends downward that described interface channel is provided with described outlet narrows down.
8. equipment according to claim 7, wherein, the end face of described adjusting parts is configured to upwards narrow down.
9. equipment according to claim 2 further comprises the additional space with the top that is connected with described flow channel and the lower part that is connected with described interface channel.
10. equipment according to claim 9, wherein, described additional space is constructed to detect described medicinal liquid from the drawing of Ringer bottle, and described Ringer bottle is stored described medicinal liquid.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040031159A KR100578001B1 (en) | 2004-05-03 | 2004-05-03 | Regulator for quantity of injection |
| KR10-2004-0031159 | 2004-05-03 | ||
| KR1020040031159 | 2004-05-03 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800139526A Division CN100518840C (en) | 2004-05-03 | 2005-05-03 | Device for regulating flow rate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101574549A true CN101574549A (en) | 2009-11-11 |
| CN101574549B CN101574549B (en) | 2012-05-23 |
Family
ID=35241450
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800139526A Expired - Fee Related CN100518840C (en) | 2004-05-03 | 2005-05-03 | Device for regulating flow rate |
| CN2009101464430A Expired - Fee Related CN101574549B (en) | 2004-05-03 | 2005-05-03 | Device for regulating flow rate |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800139526A Expired - Fee Related CN100518840C (en) | 2004-05-03 | 2005-05-03 | Device for regulating flow rate |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US8092417B2 (en) |
| EP (1) | EP1750786B1 (en) |
| JP (1) | JP4649475B2 (en) |
| KR (1) | KR100578001B1 (en) |
| CN (2) | CN100518840C (en) |
| AU (1) | AU2005237922B2 (en) |
| HK (2) | HK1105901A1 (en) |
| IL (1) | IL178926A (en) |
| RU (1) | RU2354412C2 (en) |
| WO (1) | WO2005105183A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103536983A (en) * | 2013-09-26 | 2014-01-29 | 王行环 | H-matic pressure control infusion pump |
| CN106470715A (en) * | 2014-06-30 | 2017-03-01 | 康尔福盛303公司 | Fluid input multiport instils chamber |
| US10335544B2 (en) | 2014-06-30 | 2019-07-02 | Carefusion 303, Inc. | Passive restart Y-site |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101312556B1 (en) * | 2008-09-03 | 2013-09-30 | 에이스메디칼 주식회사 | controller to supply a medicinal fluid |
| UA97282C2 (en) * | 2010-02-09 | 2012-01-25 | Евгений Леонидович Юхниця | Composition and process for the production of “radoi” beer |
| US8398595B2 (en) | 2010-07-13 | 2013-03-19 | B. Braun Melsungen Ag | Infusion pump |
| US8616238B2 (en) * | 2010-07-19 | 2013-12-31 | B. Braun Melsungen Ag | Flow selector |
| KR101476042B1 (en) | 2013-07-09 | 2014-12-23 | 김용무 | Regulator for injecting medical liguid and medical liquid injection apparatus comprising the same |
| CN104729350B (en) * | 2013-12-19 | 2017-11-21 | 珠海格力电器股份有限公司 | Sealing valve and the regenerative apparatus with the sealing valve |
| ES2459566B2 (en) * | 2013-12-26 | 2014-12-12 | Universidad De Málaga | Fluid medication infusion device |
| KR101695453B1 (en) * | 2015-07-08 | 2017-01-12 | (주)더블유앤지 | Selector |
| CN106167758B (en) * | 2016-08-26 | 2018-12-11 | 江苏领坤生物科技有限公司 | A kind of dispenser for DNA synthesizer |
| KR20190014775A (en) * | 2017-08-03 | 2019-02-13 | 주식회사 솔메이트 | Flow control device for intravenous injection |
| CN108969843B (en) * | 2018-06-14 | 2023-06-09 | 南京市妇幼保健院 | Adjustable multi-medium transfusion dripping speed regulator |
| KR102068158B1 (en) * | 2018-09-17 | 2020-01-20 | 사회복지법인 삼성생명공익재단 | User customized drug injection system |
| CN109847150B (en) * | 2019-04-11 | 2019-12-17 | 深圳一德设备科技有限公司 | Intelligent infusion dripping speed control device |
| GB2584875B (en) * | 2019-06-18 | 2021-09-15 | Charles Devlin West Jonathan | Flow metering insert and/or device |
| KR102307988B1 (en) | 2019-06-18 | 2021-10-05 | 김상기 | Flow rate regulator for intravenous fluid |
| KR102367650B1 (en) * | 2019-11-01 | 2022-02-28 | 김용현 | Medicinal liquid supply regulating apparatus and medicinal liquid injection apparatus including the same |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL45485A (en) * | 1974-08-18 | 1976-10-31 | Yarden Medical Eng Ltd | Constant-flow device for intravenous infusion set |
| US3957082A (en) * | 1974-09-26 | 1976-05-18 | Arbrook, Inc. | Six-way stopcock |
| US3989043A (en) * | 1974-12-23 | 1976-11-02 | John Dimeff | Automatic flow control and automatic shut off for intravenous feeders |
| JPS5256624U (en) * | 1975-10-23 | 1977-04-23 | ||
| DE2720522C3 (en) * | 1977-05-06 | 1980-02-07 | Yarden Medical Engineering Ltd., Haifa (Israel) | Device for adjusting the flow of a liquid |
| JPS54170697U (en) * | 1978-05-23 | 1979-12-03 | ||
| CA1130161A (en) * | 1978-08-30 | 1982-08-24 | Herbert Mittleman | Drip chamber with backflow ball valve |
| GB2089944A (en) * | 1980-12-23 | 1982-06-30 | Wallace Ltd H G | Flow Regulating Device |
| JPS5727466Y2 (en) * | 1981-03-02 | 1982-06-15 | ||
| DE8312029U1 (en) | 1983-04-23 | 1983-08-18 | B. Braun Melsungen Ag, 3508 Melsungen | DROP CONTROL UNIT |
| JPS6121540U (en) * | 1984-07-16 | 1986-02-07 | 冠栄 陳 | Automatic safety controller for intravenous injection |
| IL73598A (en) * | 1984-11-23 | 1991-01-31 | Leibinsohn Saul | Fluid control device particularly useful in liquid transfusion apparatus |
| JPS6284439U (en) * | 1985-11-18 | 1987-05-29 | ||
| JPS6345265U (en) * | 1986-09-04 | 1988-03-26 | ||
| US4781698A (en) * | 1987-04-09 | 1988-11-01 | Parren Mark L | Selectable drop size infusion metering device |
| US5033714A (en) * | 1988-03-14 | 1991-07-23 | Baxter International Inc. | Systems having fixed and variable flow rate control mechanisms |
| JPH02182269A (en) | 1989-01-09 | 1990-07-16 | Terumo Corp | Medical bottle needle equipped with drip cylinder |
| DE69124368T2 (en) | 1990-03-08 | 1997-05-28 | Macnaught Pty Ltd | FLOW REGULATOR FOR LIQUID INFUSION DEVICES |
| CN1023069C (en) * | 1990-07-28 | 1993-12-15 | 王仲 | Medical Transfusion device |
| JP2887987B2 (en) * | 1991-10-23 | 1999-05-10 | 日本電気株式会社 | Digital modulation circuit |
| WO1996020744A1 (en) * | 1995-01-07 | 1996-07-11 | Volker Lang | Micro-infusion system |
| US6213986B1 (en) * | 1995-09-29 | 2001-04-10 | Appro Healthcare, Inc. | Liquid flow rate control device |
| JP4028072B2 (en) * | 1998-04-01 | 2007-12-26 | オーベクス株式会社 | Liquid supply device |
| KR200207682Y1 (en) | 1998-04-08 | 2002-05-09 | 조진식 | Water level valve for high and low water level control |
| US6273133B1 (en) * | 1999-10-15 | 2001-08-14 | Baxter International Inc. | Fluid flow rate switching device |
-
2004
- 2004-05-03 KR KR1020040031159A patent/KR100578001B1/en active IP Right Grant
-
2005
- 2005-05-03 WO PCT/KR2005/001283 patent/WO2005105183A1/en active Application Filing
- 2005-05-03 CN CNB2005800139526A patent/CN100518840C/en not_active Expired - Fee Related
- 2005-05-03 JP JP2007511279A patent/JP4649475B2/en not_active Expired - Fee Related
- 2005-05-03 CN CN2009101464430A patent/CN101574549B/en not_active Expired - Fee Related
- 2005-05-03 RU RU2006141522/14A patent/RU2354412C2/en not_active IP Right Cessation
- 2005-05-03 EP EP05764708.3A patent/EP1750786B1/en not_active Not-in-force
- 2005-05-03 US US11/568,292 patent/US8092417B2/en not_active Expired - Fee Related
- 2005-05-03 AU AU2005237922A patent/AU2005237922B2/en not_active Ceased
-
2006
- 2006-10-29 IL IL178926A patent/IL178926A/en active IP Right Grant
-
2007
- 2007-10-18 HK HK07111254.1A patent/HK1105901A1/en not_active IP Right Cessation
-
2010
- 2010-02-10 HK HK10101509.0A patent/HK1135050A1/en not_active IP Right Cessation
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103536983A (en) * | 2013-09-26 | 2014-01-29 | 王行环 | H-matic pressure control infusion pump |
| CN103536983B (en) * | 2013-09-26 | 2015-08-19 | 王行环 | H-matic pressure control infusion pump |
| CN106470715A (en) * | 2014-06-30 | 2017-03-01 | 康尔福盛303公司 | Fluid input multiport instils chamber |
| US10335544B2 (en) | 2014-06-30 | 2019-07-02 | Carefusion 303, Inc. | Passive restart Y-site |
| CN106470715B (en) * | 2014-06-30 | 2020-03-17 | 康尔福盛303公司 | Multi-port drip chamber for fluid infusion |
| US10653832B2 (en) | 2014-06-30 | 2020-05-19 | Carefusion 303, Inc. | Passive start drip chamber |
| CN111282077A (en) * | 2014-06-30 | 2020-06-16 | 康尔福盛303公司 | Multi-port drip chamber for fluid infusion |
| US11383033B2 (en) | 2014-06-30 | 2022-07-12 | Carefusion 303, Inc. | Passive restart Y-site |
| US11439751B2 (en) | 2014-06-30 | 2022-09-13 | Carefusion 303, Inc. | Passive start drip chamber |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1750786A1 (en) | 2007-02-14 |
| HK1105901A1 (en) | 2008-02-29 |
| CN100518840C (en) | 2009-07-29 |
| HK1135050A1 (en) | 2010-05-28 |
| CN1950119A (en) | 2007-04-18 |
| WO2005105183A1 (en) | 2005-11-10 |
| US8092417B2 (en) | 2012-01-10 |
| RU2354412C2 (en) | 2009-05-10 |
| IL178926A0 (en) | 2007-03-08 |
| CN101574549B (en) | 2012-05-23 |
| EP1750786A4 (en) | 2015-07-01 |
| AU2005237922A1 (en) | 2005-11-10 |
| EP1750786B1 (en) | 2018-09-12 |
| JP4649475B2 (en) | 2011-03-09 |
| IL178926A (en) | 2014-02-27 |
| US20070215637A1 (en) | 2007-09-20 |
| RU2006141522A (en) | 2008-06-20 |
| JP2007535981A (en) | 2007-12-13 |
| KR100578001B1 (en) | 2007-11-30 |
| KR20050105878A (en) | 2005-11-08 |
| AU2005237922B2 (en) | 2009-01-08 |
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